BLUE BIRD IS RECALLING CERTAIN MODEL YEAR 2004 THROUGH 2009 VISION SCHOOL BUSES MANUFACTURED FROM JANUARY 30, 2003 THROUGH SEPTEMBER 24, 2008. THE POWER CABLES RUNNING TO THE POWER DISTRIBUTION UNIT STUD AND DRIVER’S CONTROL MODULE STUD MAY HAVE BEEN INSTALLED WITH THE LUG (EYELET) FLAT SIDE UP. WHEN THIS CONDITION EXISTS, VIBRATION MAY WEAR THE INSULATION PERMITTING DIRECT CONTACT BETWEEN THE BARE LUG AND THE PDU OR DCM WHICH COULD CAUSE A DIRECT SHORT IN THE ELECTRICAL SYSTEM.